He was not drinking and admitted that Mr Tasker had been told to leave after upsetting his hostess.

“The girl whose party it was then asked for him and the car to be removed,” said Mr Brown. “I was going to drive it out but I felt quite uncomfortable turning around to re verse, as Kris was naked on the back seat.”

He and others decided to push the car down the drive instead, planning to leave it on the pavement. He started the ignition for power-assisted steering but stayed in neutral.

“Someone walked behind to help control the car and make sure no-one got in the way,” he said.

“Kris suddenly fell forward between the seats. We were half through the gate when the police turned up.”

Acquitting Tasker, chairman of the bench, Mrs Hill said: “There is insufficient evidence that the vehicle was actually being driven across the driveway and that Mr Tasker was driving the vehicle at the time.